6745-SS-1032-7

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-047-8813

Item Name Code

06657

Assigment Date

09/15/1977 (48 years ago)

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

3a thread class, 1.390 inches minimum and 1.437 inches maximum fastener length, 0.374 inches minimum and 0.453 inches maximum thread length, right-hand thread direction, hexagon head style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.374 inches minimum and 0.453 inches maximum
Fastener Length: 1.390 inches minimum and 1.437 inches maximum
Head Style: hexagon
Head Height: 0.109 inches minimum and 0.141 inches maximum
Width Between Flats: 0.365 inches minimum and 0.377 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum
Screw Material: steel comp 431
Screw Surface Treatment: passivate
Thread Series Designator: unf

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
4729-7-9	Machine Screw
580R869H21	Machine Screw
6745-SS-1032-7	Machine Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-047-8813?

The FSCG of the NSN 5305-01-047-8813 is 5305

Does the NSN 5305-01-047-8813 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-047-8813 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-01-047-8813 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-047-8813 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-01-047-8813 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Thu, Sep 15, 1977